private void metroTile4_Click(object sender, EventArgs e) { frmCourse f = frmCourse.Instacne(); //f.MdiParent = this; f.Show(); f.Focus(); }
private void 课程信息ToolStripMenuItem_Click(object sender, EventArgs e) { frmCourse f = frmCourse.Instacne(); f.MdiParent = this; f.Show(); f.Focus(); }
private void toolStripButton_Click(object sender, EventArgs e) { try { ChangeEnabledState(); this.Validate(); this.courseBindingSource.EndEdit(); this.tableAdapterManager.UpdateAll(this.student_Manage_DB); } catch (Exception ex) { DialogResult result = MessageBox.Show("该课程号已经存在,请重新确认", "操作提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Information); frmCourse f = new frmCourse(); this.Close(); f = new frmCourse(); f.Show(); f.Focus(); return; } }